What we can learn from the biggest extinction in the history of Earth
...ly Triassic periods. As the ocean floor sank, new, younger layers of limestone formed on top of deeper, older ones. Since then, plate tectonics have turned these rocks on their side. Now, Payne and his colleagues can walk back in time across the formerly horizontal layers. Marine fossil beds such as these ...Macho men are seen as bad choice for long-term love
... were generally viewed more positively compared to younger ones. Professor David Perrett from St Andrews University adds: Our research also found that it is mens health that conveys all round good qualities for partnership and personality. Our results contradict claims that machismo denotes fitness and dis...ASBMB taps 8 scientists and 1 politician for top awards
...h and a demonstrated commitment to the training of younger scientists. Scotts work on the AKAP family of scaffold proteins has transformed the field of intracellular signaling. He has also been an exemplary trainer of graduate students and postdoctoral fellows who have gone on to make their own contributions...Improved NIST SRM aids lead poisoning detection
... level than that of the 2010 target among children younger than 72 months. SRM 955c is packaged as four vials of frozen blood at four progressively elevated lead concentration levels. Unlike previous issues of SRM 955 that were based on hog or cattle blood, SRM 955c is based on blood obtained from goats. ...ESA announces 2007 award recipients
...rch paper published within the past two years by a younger researcher (the lead author of the paper must be 40 years of age or younger at the time of publication). This years recipient is Jordi Bascompte for his paper "Asymmetric coevo...2007 EURYI: 20 young researchers to receive Nobel Prize-sized awards for breakthrough ideas
... This year, the recipients include more female and younger researchers than any other year. EURYI is designed to attract outstanding young scientists from around the world to create their own research teams at European research centres and launch potential world-leading research careers. Most awards are ...Breast cancer and hormone therapy -- A looking-glass mirror?
...ountries (excluding the USA) has always been women younger than 60 years. The Kaiser Permanente data show tha...ermore, a welcome but unexplained fact is that, in younger women (age groups Professor Pines concludes that the new epidemiological data coming from the Kai...New joint replacement material developed at MGH put to first clinical use
...ould be suitable for higher-stress applications in younger patients, those who are more active and those who are heavier....Brain's 'hearing center' may reorganize after implant of cochlear device
...af subjects from 16 to 74 years old and found that younger subjects and those with a shorter history of deafness showed changes that mirrored patterns in people with normal hearing more closely. The results were published in the July 18 Journal of Neuroscience . "The results imply a restoration to some ex...New clue into how diet and exercise enhance longevity
...ed, and their glucose metabolism resembled that of younger mice. The researchers also found that after eating, their brains showed higher levels of superoxide dismutase, an antioxidant enzyme that protects cells from damage by highly reactive chemicals called free radicals. Our findings put a mechanism behi...Nodal status is best predictor of outcome after neoadjuvant therapy for esophageal cancer
...filled a list of pre-set criteria, including being younger than 77 years, fit for surgery, and having a tumour of resectable size and location. The patients were given a standard protocol of radiation therapy and concurrent chemotherapy with fluorouracil and cisplatin before undergoing thoracotomy with lympa...U-M, Israeli scientists report major advance in search for genes associated with colon cancer
...r, especially cases that began when relatives were younger than age 50, should get genetic counseling and have colonoscopies or other screening tests starting earlier in life than age 50. Colon cancer is one of the most common cancers in the United States, and the good news is that its largely preventabl...Oldest DNA ever recovered suggests earth was warmer than previously believed
...y providing DNA samples from the silty ice of much younger glaciers (3,000 years-old) on Ellesmere Island in Arctic Canada. The Canadian DNA samples offered a control sample for the researchers around the world who worked to estimate the age of the Greenland DNA samples. The work in Canada also contributed...Engineered blood vessels function like native tissue
...erences between stem cells taken from older versus younger individuals, work that is being funded by the John R. Oishei Foundation....Personalized approach to ovarian stimulation achieves high ART pregnancy rates
...ed tReatmenT). The group treated 161 ART patients, younger than 35, in 18 centres around the world. The docto...ndly, we have demonstrated its usefulness in women younger than 35 undergoing ART; further work is required to extend its use in other patient groups. The ...Extracting eggs from pre-pubertal cancer patients brings hope for future fertility
...hich are removed, fertilised and frozen. In younger girls this is not possible, and the method normall...ve been able to collect eggs. We believe that no younger patients have ever undergone egg collection, in vitro maturation, and egg freezing. We are hopeful...Researchers find gene that spurs development of the epididymis
...ent in the mutant embryos. Tomaszewski looked at younger mouse embryos from the same parents, to see how early in their development the abnormality appeared. She found the earliest evidence of a lack of proper coiling in the epididymis between days 15.5 and 17.5. (Mouse gestation is about 19 days.) Befor...Bee researcher at Arizona State University is 1 of 20 new Pew Scholars in the biomedical sciences
...the hive) to revert to tasks normally performed by younger bees (that nurse larvae within the hive), is associated with reversal of several physiological markers of senescence. Her findings, and supporting findings from other groups, Amdam says, indicate that behavioral reversal triggers a systemic response,...BRCA2 carriers at increased risk for deadly form of prostate cancer
...30 patients (5.7%). The mutations carriers were younger at the time of diagnosis and had more advanced staged cancer, higher-grade tumors, and shorter median survival time (2.1 years vs. 12.4 years) compared with noncarriers. The authors conclude that it is of great importance to study whether these re...Caribbean frogs started with a single, ancient voyage on a raft from South America
...e arrived by rafting over water to the smaller and younger islands, the Lesser Antilles, because they never were connected by land to South America, but neither theory proposed that all of the Caribbean-island frog species had a single common ancestor," Hedges said. The anatomy of Caribbean frogs previousl...